Megan Mullally

Sean Hayes, Megan Mullally, Debra Messing and Eric McCormack from the cast of "Will and Grace" walk on the floor of the New York Stock Exchange on May 18, 2006.

Donald Trump and actress Megan Mullally perform the Green Acres Theme onstage at the 57th Annual Emmy Awards, held at the Shrine Auditorium in Los Angeles on Sept. 18, 2005.

Megan Mullally attends the 59th Annual Tony Awards at Radio City Music Hall in New York on June 5, 2005.

Eric McCormack, Debra Messing, Megan Mullally and Sean Hayes from “Will & Grace” pose with their Favorite TV Comedy award during the 31st Annual People’s Choice Award, held in Pasadena, Calif., on Jan. 9, 2005.

Megan Mullally attends the Los Angeles Premiere of Finding Neverland at the Academy of Motion Picture Arts and Sciences in Beverly Hills, Calif., on Nov. 11, 2004.

The stars of "Will and Grace," Sean Hayes, Megan Mullally, Eric McCormack and Debra Messing, appear on "The Tonight Show with Jay Leno" on Sept. 13, 2004.

Megan Mullally arrives at the Vanity Fair Oscar Party at Mortons in West Hollywood, Calif., on March 5, 2006

Sean Hayes, Megan Mullally and Debra Messing of NBC's "Will & Grace" gather at Top Of The Rock, the observation deck atop New York's Rockefeller Center, to bid goodbye to fans on May 16, 2006.